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Finding the Fourth Proportional to 524,042.20, 786,654.60 and 346,895.20

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Solution

The fourth proportional to 524,042.20, 786,654.60 and 346,895.20 is: 520,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,042.20 : 786,654.60 = 346,895.20 : x
  2. Step 2: Convert to fraction form
    524,042.20/786,654.60 = 346,895.20/x
  3. Step 3: Cross multiply
    524,042.20x = 786,654.60 × 346,895.20
  4. Step 4: Simplify right side
    524,042.20x = 272,886,704,797.92
  5. Step 5: Solve for x
    x = 272,886,704,797.92/524,042.20
  6. Step 6: Final answer
    x = 520,734.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.